Home / 3,359,392.54-4,635,961.53-1,909,090.78

Finding the Fourth Proportional to 3,359,392.54, 4,635,961.53 and 1,909,090.78

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Solution

The fourth proportional to 3,359,392.54, 4,635,961.53 and 1,909,090.78 is: 2,634,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359,392.54 : 4,635,961.53 = 1,909,090.78 : x
  2. Step 2: Convert to fraction form
    3,359,392.54/4,635,961.53 = 1,909,090.78/x
  3. Step 3: Cross multiply
    3,359,392.54x = 4,635,961.53 × 1,909,090.78
  4. Step 4: Simplify right side
    3,359,392.54x = 8,850,471,413,357.69
  5. Step 5: Solve for x
    x = 8,850,471,413,357.69/3,359,392.54
  6. Step 6: Final answer
    x = 2,634,545.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.